PORTIBM PC Portable (uses same BIOS as XT) 04E0-04FF - EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). DMAsee Direct Memory Access stop registers
SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 0481h-048Bh"EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus)."

04E0-04E2  RW	channel 0 stops if DMAsee Direct Memory Access transfer reaches specified address
04E4-04E6  RW	channel 1
04E8-04EA  RW	channel 2
04EC-04EE  RW	channel 3
04F4-04F6  RW	channel 5
04F8-04FA  RW	channel 6
04FC-04FE  RW	channel 7